Patent · US Expired

Tension control device for a printing press

US6659006B2 · kind B2 · utility

5Cited by
30References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 24, 2001
Grant dateDec 9, 2003
Priority date
Expiry dateOct 16, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2557/20
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A tension control device for a printing press having an adjustment roller, with a web of the press passing from a supply roll of the web to the adjustment roller. Means are provided for measuring the tension on opposed sides of the web passing downstream from the adjustment roller, and means are provided responsive to the measuring means for automatically approximately equalizing the tension of the web by adjustment of the adjustment roller on one end only of the adjustment roller.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.